1.   Determine the slope of the line that passes through (2, 2) and (5, 8).
    A. 2 B.
    C. -2 D.
    Hint

  2.   The graph of a linear function is _______.
    A. a straight line B. None of these is correct
    C. a horizontal line only D. a curved line
    Hint

  3.   The graph of y = -4x2 - 1 is _____.
    A. None of these is correct. B. a circle
    C. a straight line D. a parabola
    Hint

  4.   Which characteristic describes a graph that is linear and has direct variation.
    A. The graph does not pass through (0, 0).
    B. The equation has the form y = mx + b.
    C. The equation has the form y = mx.
    D. Variables x and y are not proportional.
    Hint

  5.   Find the graph that does not have direct variation.
    A. B.
    C. D.
    Hint

  6.   Find the situation that is linear but does not have direct variation.
    A. At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
    B. At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts.
    C. At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week.
    D. At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank.
    Hint

  7.   Find the graph that is nonlinear.
    A. B.
    C. D.
    Hint

  8.   Find the table that represents a graph with direct variation.
    A.
    B.
    C.
    D.
    Hint

  9.   What is the equation of a line that has a slope of 3 and passes through (–4, –3)?
    A. y = 3x – 3 B. y = 3x + 3
    C. y = 3x + 9 D. y = 3x – 9
    Hint

  10.   Find the graph of y = x2.
    A. B.
    C. D.
    Hint

  11.   Which way does the graph of y = –2x2 open?
    A. up B. right
    C. left D. down
    Hint

  12.   Which table shows a quadratic relationship?
    A.
    B.
    C.
    D.
    Hint

  13.   What is the lowest point on the graph of y = x2 + 2?
    A. (2, 0) B. (0, 2)
    C. (0, 0) D. (0, –2)
    Hint

  14.   Describe the location of the line of symmetry of the graph of y = x2 – 2.
    A. the line y = x B. the vertical axis
    C. there is no line of symmetry D. the horizontal axis
    Hint

  15.   Which equation is in the same family as y = x2?
    A. y = x3 – 3 B. y = 2x2 – 3
    C. y = 2x – 3 D. y = x2 – 3
    Hint

  16.   Find the equation of the graph below.
   
    A. y = x2 + 3 B. y = (x + 3)2
    C. y = (x - 3)2 D. y = x2 – 3
    Hint

  17.   Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point?
    A. 18.8 m B. 1 m
    C. 3.78 m D. 2.13 m
    Hint

  18.   What is the reciprocal of ?
    A. B.
    C. D.
    Hint

  19.   Find which equation does not represent a reciprocal relationship.
    A. B.
    C. ab = 3 D. –6 = ef
    Hint

  20.   Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false.
    A. m = 1, n = 2 B. m = –2, n = 0
    C. m = 1, n = 1 D. m = 1, n = 0
    Hint



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